A couple months ago, MIT physics professor Walter Lewin posted a photo of an MIT construction site to the Astronomy Picture of the Day webpage with the challenge "explain the bright ring of colors." Now after answering about 3000 answers (only 5 of them fully correct), Walter Lewin explains all.
(Note also that 75 of Prof. Lewin's lectures are available online at MIT's OpenCourseWare site, plus four more at MIT World).
Posted by bug to Science at December 12, 2004 12:59 AM | TrackBack